In this city, an 1888 “Universal Exposition” led to the creation of its Castle of the Three Dragons. (10[1])This city’s Block of Discord (10[2])includes a (10[2])building (10[1])with a roof reminiscent of a dragon’s back (10[2]-5[1])nicknamed (10[1])the (10[1])House of Bones. (10[3])In this city, 86 Doric (10[2])columns (10[1])support a Greek theater at the top of a staircase (-5[1])featuring an example of (-5[1])trencadis (“trung-kuh-DEES”), a (10[1])multicolored mosaic salamander. (10[13]-5[1])That (10[1])park (10[1])in this (10[3]-5[1])city, (10[4])like (10[1])pavilions (10[2])that featured a wrought-iron dragon gate, is named for Eusebi (-5[2])Güell (10[3])(“oh-ZEH-bee GWAIL”). This (10[2])city (10[3])hosts (10[1])an (10[1])unfinished structure (10[2])intended (10[1])to have (10[2])18 towers that (-5[1])was (10[1])primarily (10[4]-5[1])designed (10[5])by (10[1])Antoni (10[1])Gaudí (10[12]-5[1])(“gow-DEE”). For 10 points, (10[5]-5[1])the (10[1])Sagrada Família (10[3])basilica (10[5]-5[1])is located in what largest (10[2])Catalonian (10[1])city? (10[1])■END■ (10[8]0[1])